515152640

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3169}}^1$

素因数の和:3317

約数の個数: 72

約数和(自身を含む): 1244060160

約数和(自身を除く): 728907520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 1016, 1270, 1280, 2032, 2540, 3169, 4064, 5080, 6338, 8128, 10160, 12676, 15845, 16256, 20320, 25352, 31690, 32512, 40640, 50704, 63380, 81280, 101408, 126760, 162560, 202816, 253520, 402463, 405632, 507040, 804926, 811264, 1014080, 1609852, 2012315, 2028160, 3219704, 4024630, 4056320, 6439408, 8049260, 12878816, 16098520, 25757632, 32197040, 51515264, 64394080, 103030528, 128788160, 257576320, 515152640]

約数ペア:

[(1, 515152640), (2, 257576320), (4, 128788160), (5, 103030528), (8, 64394080), (10, 51515264), (16, 32197040), (20, 25757632), (32, 16098520), (40, 12878816), (64, 8049260), (80, 6439408), (127, 4056320), (128, 4024630), (160, 3219704), (254, 2028160), (256, 2012315), (320, 1609852), (508, 1014080), (635, 811264), (640, 804926), (1016, 507040), (1270, 405632), (1280, 402463), (2032, 253520), (2540, 202816), (3169, 162560), (4064, 126760), (5080, 101408), (6338, 81280), (8128, 63380), (10160, 50704), (12676, 40640), (15845, 32512), (16256, 31690), (20320, 25352)]